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Unified Diff: lib/dartdoc/frog/lib/string_implementation.dart

Issue 10696191: Frog removed from dartdoc. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 8 years, 5 months ago
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Index: lib/dartdoc/frog/lib/string_implementation.dart
diff --git a/lib/dartdoc/frog/lib/string_implementation.dart b/lib/dartdoc/frog/lib/string_implementation.dart
deleted file mode 100644
index 45407ebe5964f1b81abad6a2efa15f49b9113254..0000000000000000000000000000000000000000
--- a/lib/dartdoc/frog/lib/string_implementation.dart
+++ /dev/null
@@ -1,184 +0,0 @@
-// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-//String.prototype.get$length = function() {
-// return this.length;
-//}
-
-// TODO(jimhug): Unify with code from compiler/lib/implementation.
-class StringImplementation implements String native "String" {
-
- String operator[](int index) native;
-
- int charCodeAt(int index) native;
-
- final int length; //native since it's on a native type.
-
- bool operator ==(var other) native;
-
- bool endsWith(String other) native '''
- 'use strict';
- if (other.length > this.length) return false;
- return other == this.substring(this.length - other.length);''';
-
- bool startsWith(String other) native '''
- 'use strict';
- if (other.length > this.length) return false;
- return other == this.substring(0, other.length);''';
-
- int indexOf(String other, [int start]) native;
- int lastIndexOf(String other, [int start]) native;
-
- bool isEmpty() => length == 0;
-
- String concat(String other) native;
-
- String operator +(Object obj) native { obj.toString(); }
-
- String substring(int startIndex, [int endIndex = null]) native;
-
- String trim() native;
-
- // TODO(jmesserly): should support pattern too.
- bool contains(Pattern pattern, [int startIndex]) native
- "'use strict'; return this.indexOf(pattern, startIndex) >= 0;";
-
- String _replaceFirst(String from, String to) native
- "'use strict';return this.replace(from, to);";
-
- String _replaceRegExp(RegExp from, String to) native
- "'use strict';return this.replace(from.re, to);";
-
- String replaceFirst(Pattern from, String to) {
- if (from is String) return _replaceFirst(from, to);
- if (from is RegExp) return _replaceRegExp(from, to);
- for (var match in from.allMatches(this)) {
- // We just care about the first match
- return substring(0, match.start()) + to + substring(match.end());
- }
- }
-
- String _replaceAll(String from, String to) native @"""
-'use strict';
-from = new RegExp(from.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"), 'g');
-to = to.replace(/\$/g, '$$$$'); // Escape sequences are fun!
-return this.replace(from, to);""";
-
- String replaceAll(Pattern from, String to) {
- if (from is String) return _replaceAll(from, to);
- if (from is RegExp) return _replaceRegExp(from.dynamic._global, to);
- var buffer = new StringBuffer();
- var lastMatchEnd = 0;
- for (var match in from.allMatches(this)) {
- buffer.add(substring(lastMatchEnd, match.start()));
- buffer.add(to);
- lastMatchEnd = match.end();
- }
- buffer.add(substring(lastMatchEnd));
- }
-
- // TODO(jimhug): Get correct reified generic list here.
- List<String> split(Pattern pattern) {
- if (pattern is String) return _split(pattern);
- if (pattern is RegExp) return _splitRegExp(pattern);
- throw "String.split(Pattern) unimplemented.";
- }
-
- List<String> _split(String pattern) native
- "'use strict'; return this.split(pattern);";
-
- List<String> _splitRegExp(RegExp pattern) native
- "'use strict'; return this.split(pattern.re);";
-
- Iterable<Match> allMatches(String str) {
- throw "String.allMatches(String str) unimplemented.";
- }
- /*
- Iterable<Match> allMatches(String str) {
- List<Match> result = [];
- if (this.isEmpty()) return result;
- int length = this.length;
-
- int ix = 0;
- while (ix < str.length) {
- int foundIx = str.indexOf(this, ix);
- if (foundIx < 0) break;
- // Call "toString" to coerce the "this" back to a primitive string.
- result.add(new _StringMatch(foundIx, str, this.toString()));
- ix = foundIx + length;
- }
- return result;
- }
- */
-
- List<String> splitChars() => split('');
-
- List<int> charCodes() {
- int len = length;
- List<int> result = new List<int>(len);
- for (int i = 0; i < len; i++) {
- result[i] = charCodeAt(i);
- }
- return result;
- }
-
- String toLowerCase() native;
- String toUpperCase() native;
-
- // TODO(jmesserly): we might want to optimize this further.
- // This is the [Jenkins hash function][1], but with masking to keep the
- // hash in the Smi range. I did some simple microbenchmarks to verify that
- // this performs adequately on the standard words list. Letting it spill over
- // into doubles and truncating at the end was ~2x worse, letting it box was
- // ~70x worse.
- //
- // [1]: http://en.wikipedia.org/wiki/Jenkins_hash_function
- int hashCode() native '''
- 'use strict';
- var hash = 0;
- for (var i = 0; i < this.length; i++) {
- hash = 0x1fffffff & (hash + this.charCodeAt(i));
- hash = 0x1fffffff & (hash + ((0x0007ffff & hash) << 10));
- hash ^= hash >> 6;
- }
-
- hash = 0x1fffffff & (hash + ((0x03ffffff & hash) << 3));
- hash ^= hash >> 11;
- return 0x1fffffff & (hash + ((0x00003fff & hash) << 15));''';
-
- int compareTo(String other) native
- "'use strict'; return this == other ? 0 : this < other ? -1 : 1;";
-}
-
-/*
-class _StringMatch implements Match {
- const _StringMatch(int this._start,
- String this.str,
- String this.pattern);
-
- int start() => _start;
- int end() => _start + pattern.length;
- String operator[](int g) => group(g);
- int groupCount() => 0;
-
- String group(int group) {
- if (group != 0) {
- throw new IndexOutOfRangeException(group);
- }
- return pattern;
- }
-
- List<String> groups(List<int> groups) {
- List<String> result = new List<String>();
- for (int g in groups) {
- result.add(group(g));
- }
- return result;
- }
-
- final int _start;
- final String str;
- final String pattern;
-}
-*/

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